Trucks / HGV · ECU Remapping
Scania Series P 420 (Euro 3/4/5) 420 hp Tuning (2007–)
Factory specification and Stage 1 remap gains for the Scania Series P 420 (Euro 3/4/5) 420 hp (2007–). A Stage 1 calibration adds 80 BHP and 350 Nm — software only, no hardware modifications required.
| Measure | Original | Stage 1 | Stage 2 |
|---|---|---|---|
Power BHP | 420 | 500 +80 BHP · +19% | 510 +90 BHP · +21% |
Torque Nm | 2100 | 2450 +350 Nm · +17% | 2470 +370 Nm · +18% |
+80 BHP
Stage 1 power gain
+350 Nm
Stage 1 torque gain
Power & torque curves
Illustrative Performance Curve
Illustrative curve generated from published/estimated peak figures. This is not an individual rolling-road test. Power (BHP, solid) and torque (Nm, dashed) across engine speed (RPM); peak figures match the published database values.
Hover / touch the graph
Stock: 420 bhp · 2099.5 Nm (peak)
Stage 1: 500 bhp · 2449.9 Nm (peak)
Stage 2: 510 bhp · 2470 Nm (peak)
Tuning tool compatibility
This ECU was not found in the manufacturer compatibility databases we cross-reference.
AutoTuner
Not listed
Not found in this manufacturer's published data — ask us, coverage updates frequently.
Alientech KESS3
Not listed
Not found in this manufacturer's published data — ask us, coverage updates frequently.
Magicmotorsport FLEX
Not listed
Not found in this manufacturer's published data — ask us, coverage updates frequently.
Dimsport New Genius / New Trasdata
Not listed
Not found in this manufacturer's published data — ask us, coverage updates frequently.
Existing customers upload their ECU file via the Regal Tuning File Portal. New to Regal? Request a quote first.
20+ years of ECU calibration
Ready to unlock your Scania Series P's real performance?
Tell us your truck and registration — we'll confirm support and the exact expected gains for your engine before any work begins.